using System;
using System.Collections.Generic;
using iTextSharp.text.api;
using iTextSharp.text.pdf;
using iTextSharp.text.pdf.draw;
/*
 * $Id: WritableDirectElement.java 4880 2011-05-23 23:28:09Z redlab_b $
 *
 * This file is part of the iText (R) project.
 * Copyright (c) 1998-2011 1T3XT BVBA
 * Authors: Bruno Lowagie, Paulo Soares, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT,
 * 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * a covered work must retain the producer line in every PDF that is created
 * or manipulated using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
 * disclosing the source code of your own applications.
 * These activities include: offering paid services to customers as an ASP,
 * serving PDFs on the fly in a web application, shipping iText with a closed
 * source product.
 *
 * For more information, please contact iText Software Corp. at this
 * address: sales@itextpdf.com
 */
namespace iTextSharp.text {

    /**
     * An element that is not an element, it holds {@link Element#WRITABLE_DIRECT}
     * as Element type. It implements WriterOperation to do operations on the
     * {@link PdfWriter} and the {@link Document} that must be done at the time of
     * the writing. Much like a {@link VerticalPositionMark} but little different.
     *
     * @author itextpdf.com
     *
     */
    public abstract class WritableDirectElement : IElement, IWriterOperation {

        /*
         * (non-Javadoc)
         *
         * @see com.itextpdf.text.Element#process(com.itextpdf.text.ElementListener)
         */
        public bool Process(IElementListener listener) {
            throw new NotSupportedException();
        }

        /**
         * @return {@link Element#WRITABLE_DIRECT}
         */
        public int Type {
            get {
                return Element.WRITABLE_DIRECT;
            }
        }

        /*
         * (non-Javadoc)
         *
         * @see com.itextpdf.text.Element#isContent()
         */
        public bool IsContent() {
            return false;
        }

        /*
         * (non-Javadoc)
         *
         * @see com.itextpdf.text.Element#isNestable()
         */
        public bool IsNestable() {
            throw new NotSupportedException();
        }

        /*
         * (non-Javadoc)
         *
         * @see com.itextpdf.text.Element#getChunks()
         */
        public IList<Chunk> Chunks {
            get {
                return new List<Chunk>();
            }
        }

        public abstract void Write(PdfWriter writer, Document doc);
    }
}